tut10-zad1

#include <iostream>
#include <iomanip>
#include <stdexcept>
#include <cmath>
#include <vector>

const double PI=4*atan(1);

using namespace std;

class Ugao {
    double radijani;
    void Domen (double &u) {
    if (u>2*PI) u-=2*PI;
    if(u<0) u+=2*PI;
    }
public:
    Ugao (double radijani=0) {Ugao::radijani=radijani;}

    Ugao (int stepeni, int minute, int sekunde) {
    Ugao::radijani=(stepeni*3600+minute*60+sekunde)*(PI/(180*3600));
    Domen(Ugao::radijani);
    }
    void Postavi(double radijani) {Ugao::radijani=radijani; }

    void Postavi(int stepeni, int minute, int sekunde) {
      Ugao::radijani=(stepeni*3600+minute*60+sekunde)*(PI/(180*3600));
    Domen(Ugao::radijani); }

    void OcitajKlasicneJedinice(int &stepeni, int &minute, int &sekunde);

    int DajStepene () const { return static_cast<int>((radijani*180/PI*3600)/60); }
    int DajMinute () const {return static_cast<int>((radijani*180/PI*3600)/60)%60; }
    int DajSekunde () const { return static_cast<int>(radijani*180/PI*3600)%60; }
     void  Ispisi () const { cout<<radijani; }

     void IspisiKlasicno() const;

     Ugao &SaberiSa(const Ugao &u) { Ugao::radijani += u.radijani; Domen(Ugao::radijani); return *this; }
     Ugao &PomnoziSa(double x) { Ugao::radijani*=x; return *this; }
     friend Ugao ZbirUglova(const Ugao &u1, const Ugao &u2);

friend Ugao ProduktUglaSaBrojem(const Ugao &u, double x);
    };

    void Ugao::OcitajKlasicneJedinice(int &stepeni, int &minute, int &sekunde) {
        int temp=(radijani*180/PI)*3600;
        sekunde=temp%60;
        temp/=60;
        minute=temp%60;
        temp/=60;
        stepeni=temp;
    }

    void Ugao::IspisiKlasicno() const {
      int temp=(radijani*180/PI)*3600;
        int sekunde=temp%60;
        temp/=60;
        int minute=temp%60;
        temp/=60;
       int stepeni=temp;
       cout<<stepeni<<"deg"<<minute<<"min"<<sekunde<<"sec";
    }

     Ugao ZbirUglova(const Ugao &u1, const Ugao &u2) {
    Ugao rez;
    rez.radijani=u1.radijani+u2.radijani;
    return rez;
    }
Ugao ProduktUglaSaBrojem(const Ugao &u, double x) {
    Ugao rez;
    rez.radijani=u.radijani*x;
    return rez;
}

    int main () {
    Ugao u1, u2;
    u1.Postavi(3693);
    u1.Ispisi();
    cout<<endl;
    u1.Postavi(45,30,90);
    int sek,minu,step;
    u1.OcitajKlasicneJedinice(step,minu,sek);
    cout<<step<<"deg"<<minu<<"min"<<sek<<"sec"<<endl;
    u1.IspisiKlasicno();
    cout<<endl;
    u1.SaberiSa(u2);
    u1.Ispisi();
    return 0;
    }